NorthStar Navigation NorthStar 491 Using demo mode, At the Chart Overlay Selection window, press

Using demo mode

Displaying echo sounder data on the CHART screen

For the 961/962

The echo sounder can be operated in “demo mode” for training and familiarization. Simulated echo data generated by the 491 will be displayed.

To enter demo mode:

1.Press STAR several times to display the ECHO SOUNDER SETUP screen.

2.Press the CURSOR PAD down to select demo mode, then press EDIT.

3.Press the CURSOR PAD left or right to highlight “ON,” then press ACCEPT.

While in demo mode, the word “Demo” appears in the upper right corner of the ECHO screen.

To leave demo mode, repeat this procedure, selecting “OFF” instead of “ON.”

You can overlay a smaller version of the echo screen onto the CHART screen.

To overlay the echo screen:

1.Press CHART to display the CHART screen, then press

OVERLAY.

2.At the CHART OVERLAY SELECTION window, press

SHOW 490.

Both chart views A and B will display live echo sounder data on the right-hand side of the screen.

3.To remove echo sounder data, press HIDE 490 on the

CHART OVERLAY screen.

For the 957/958 To overlay the echo screen:

1.Press CHART to display the CHART screen, then press SOUNDER. The CHART screen will display live echo sounder data on the right-hand side of the screen.

Page 14 491 Echo Sounder Operations Manual